1.08452

Ethylenedinitrilotetraacetic acid

suitable for titration

• Sinónimos: Ethylenedinitrilotetraacetic acid, EDTA, Edetic acid, Diaminoethane-tetraacetic acid
• Fórmula empírica (notación de Hill): C₁₀H₁₆N₂O₈
• Número CAS: 60-00-4
• Peso molecular: 292.24
• UNSPSC Code: 12352106
• EC Index Number: 200-449-4
• NACRES: NA.21
• MDL number: MFCD00003541

Propiedades

• Nombre del producto: Ethylenedinitrilotetraacetic acid, Ethylenedinitrilotetraacetic acid. CAS 60-00-4, pH 2.5 (10 g/l, H₂O, 23 °C) (slurry).
• vapor pressure: <0.013 hPa ( 20 °C)
• Quality Segment: 100
• assay: 99-101% (complexometric)
• form: solid
• autoignition temp.: >200 °C
• potency: 2580 mg/kg LD₅₀, oral (Rat)
• reaction suitability: reaction type: Complexometric reactions
• technique(s): titration: suitable
• pH: 2.5 (23 °C, 10 g/L in H₂O, slurry)
• mp: 220 °C (decomposition)
• transition temp: flash point >400 °C (DIN 51758)
• solubility: water: ~0.5 g/L at 20 °C
• density: 0.86 g/cm³ at 20 °C
• bulk density: 600 kg/m³
• cation traces: Fe: ≤0.001%, heavy metals (as Pb): ≤0.001%
• storage temp.: no temp limit
• SMILES string: N(CCN(CC(=O)O)CC(=O)O)(CC(=O)O)CC(=O)O
• InChI: 1S/C10H16N2O8/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20)
• InChI key: KCXVZYZYPLLWCC-UHFFFAOYSA-N

Descripción

Application

• Photo-Fenton oxidation of cylindrospermopsin at neutral pH with LEDs.: This study investigates the use of photo-Fenton processes catalyzed by Ethylenedinitrilotetraacetic acid (EDTA) under neutral pH conditions, optimizing reaction parameters for environmental applications (Ortiz et al., 2023).


• Mixtures of chelating agents to enhance photo-Fenton process at natural pH: Influence of wastewater matrix on micropollutant removal and bacterial inactivation.: Research shows how EDTA, when used in combination with other chelators, enhances the efficiency of the photo-Fenton process at natural pH levels for water treatment, focusing on micropollutant degradation and pathogen inactivation (López-Vinent et al., 2021).


• A new route to "bifunctional" chelating agents: conversion of amino acids to analogs of ethylenedinitrilotetraacetic acid.: Describes a synthetic method to transform standard amino acids into bifunctional analogs of EDTA, expanding the utility of these chelators in biochemical and industrial applications (Yeh et al., 1979).

Analysis Note

Assay (complexometric): 99 - 101 %
Identity (IR-spectrum): conforms
in ammonia insoluble components: ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
Fe (Iron): ≤ 0.001 %
Nitrilotriacetic acid: ≤ 0.1 %
Sulfated ash: ≤ 0.1 %
Water (according to Karl Fischer): ≤ 0.2 %

Información de seguridad

• pictograms: GHS08,GHS07
• signalword: Warning
• hcodes: H319,H332,H373
• Clase de almacenamiento: 11 - Combustible Solids
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• target_organs: Respiratory Tract
• pcodes: P260 - P264 - P271 - P304 + P340 + P312 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 4 Inhalation - Eye Irrit. 2 - STOT RE 2 Inhalation
• wgk: WGK 3